Research Article

Passive Switched Capacitor RF Front Ends for Spectrum Sensing in Cognitive Radios

Table 2

Table of SNDR and SFDR with 1-tone, on-bin, 0 dBFS inputs.

One-tone bin 1 GS/s 3 GS/s 5 GS/s
SNDR SFDR SNDR SFDR SNDR SFDR

1 46.6 37.7 45.8 35.8 48.1 42.6
2 50.9 42.8 50.7 43.8 48.4 39.7
3 51.5 44.7 49.8 44.8 45.8 41.8
4 48.9 37.9 51.4 40.2 51.1 41.1
5 50.2 44.4 47.7 40.7 46.2 42.5
6 51.4 44.8 48.0 40.1 45.0 36.3
7 48.1 40.2 48.2 42.6 45.1 40.1
8 56.5 51.2 61.2 57.2 49.9 42.8
9 48.5 41.3 47.5 41.2 45.2 39.6
10 53.7 47.8 46.6 39.6 44.5 35.6
11 50.3 44.9 47.6 40.0 46.6 43.3
12 49.2 37.9 52.2 41.4 50.9 41.6
13 52.0 46.2 50.0 45.5 45.0 39.9
14 53.8 46.6 50.9 43.0 48.5 38.8
15 47.1 39.0 45.4 35.9 48.9 42.3

Minimum 46.6 37.7 45.4 35.8 44.5 35.6
Maximum 56.5 47.8 61.2 45.5 51.1 43.3

50.6 43.2 49.5 42.1 47.3 40.5
2.7 4.1 3.8 5.0 2.3 2.3